Lecture 13A

Lecture 13A - Lecture 14 Conservation Reading Ch 56 I....

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1 Lecture 14 Conservation Reading Ch 56 I. Humans impact their environment Is this new? Easter Island Society exceeded carrying capacity (K) Ground sloths Sabertooth cats Mammoths Western camel North American megamammals 10,000 years ago - extinct - human hunting Species extinction, destruction of ecosystems by humans is not new, but we have stepped up the pace Overview I. Humans impact their environment - then and now II. Biodiversity & conservation III. Why conserve? A. useful products B. ecosystem services C. morality IV. Threats to biodiversity A. habitat destruction B. introduced species C. overexploitation V. How to preserve biodiversity VI. Biodiversity hotspots
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2 II. What is biodiversity ? Genetic diversity Species diversity Ecosystem diversity Conservation biology - the scientific study of how to preserve the diversity of life III. Why conserve? 1. Human uses of genes and species 2. Ecosystem services 3. Morality A. Benefits of biodiversity – new useful products (bioprospecting)
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Lecture 13A - Lecture 14 Conservation Reading Ch 56 I....

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